20843985480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:912

約数の個数: 256

約数和(自身を含む): 66290400000

約数和(自身を除く): 45446414520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 61, 87, 116, 120, 122, 145, 149, 174, 183, 232, 244, 290, 298, 305, 348, 366, 435, 447, 488, 580, 596, 610, 659, 696, 732, 745, 870, 894, 915, 1160, 1192, 1220, 1318, 1464, 1490, 1740, 1769, 1788, 1830, 1977, 2235, 2440, 2636, 2980, 3295, 3480, 3538, 3576, 3660, 3954, 4321, 4470, 5272, 5307, 5960, 6590, 7076, 7320, 7908, 8642, 8845, 8940, 9089, 9885, 10614, 12963, 13180, 14152, 15816, 17284, 17690, 17880, 18178, 19111, 19770, 21228, 21605, 25926, 26360, 26535, 27267, 34568, 35380, 36356, 38222, 39540, 40199, 42456, 43210, 45445, 51852, 53070, 54534, 57333, 64815, 70760, 72712, 76444, 79080, 80398, 86420, 90890, 95555, 98191, 103704, 106140, 109068, 114666, 120597, 129630, 136335, 152888, 160796, 172840, 181780, 191110, 196382, 200995, 212280, 218136, 229332, 241194, 259260, 263581, 272670, 286665, 294573, 321592, 363560, 382220, 392764, 401990, 458664, 482388, 490955, 518520, 527162, 545340, 573330, 589146, 602985, 764440, 785528, 790743, 803980, 964776, 981910, 1054324, 1090680, 1146660, 1165771, 1178292, 1205970, 1317905, 1472865, 1581486, 1607960, 1963820, 2108648, 2293320, 2331542, 2356584, 2411940, 2635810, 2847539, 2945730, 3162972, 3497313, 3927640, 3953715, 4663084, 4823880, 5271620, 5695078, 5828855, 5891460, 5989651, 6325944, 6994626, 7907430, 8542617, 9326168, 10543240, 11390156, 11657710, 11782920, 11979302, 13989252, 14237695, 15814860, 17085234, 17486565, 17968953, 22780312, 23315420, 23958604, 27978504, 28475390, 29948255, 31629720, 34170468, 34973130, 35937906, 42713085, 46630840, 47917208, 56950780, 59896510, 68340936, 69946260, 71875812, 85426170, 89844765, 113901560, 119793020, 139892520, 143751624, 170852340, 173699879, 179689530, 239586040, 341704680, 347399758, 359379060, 521099637, 694799516, 718758120, 868499395, 1042199274, 1389599032, 1736998790, 2084398548, 2605498185, 3473997580, 4168797096, 5210996370, 6947995160, 10421992740, 20843985480]

約数ペア:

[(1, 20843985480), (2, 10421992740), (3, 6947995160), (4, 5210996370), (5, 4168797096), (6, 3473997580), (8, 2605498185), (10, 2084398548), (12, 1736998790), (15, 1389599032), (20, 1042199274), (24, 868499395), (29, 718758120), (30, 694799516), (40, 521099637), (58, 359379060), (60, 347399758), (61, 341704680), (87, 239586040), (116, 179689530), (120, 173699879), (122, 170852340), (145, 143751624), (149, 139892520), (174, 119793020), (183, 113901560), (232, 89844765), (244, 85426170), (290, 71875812), (298, 69946260), (305, 68340936), (348, 59896510), (366, 56950780), (435, 47917208), (447, 46630840), (488, 42713085), (580, 35937906), (596, 34973130), (610, 34170468), (659, 31629720), (696, 29948255), (732, 28475390), (745, 27978504), (870, 23958604), (894, 23315420), (915, 22780312), (1160, 17968953), (1192, 17486565), (1220, 17085234), (1318, 15814860), (1464, 14237695), (1490, 13989252), (1740, 11979302), (1769, 11782920), (1788, 11657710), (1830, 11390156), (1977, 10543240), (2235, 9326168), (2440, 8542617), (2636, 7907430), (2980, 6994626), (3295, 6325944), (3480, 5989651), (3538, 5891460), (3576, 5828855), (3660, 5695078), (3954, 5271620), (4321, 4823880), (4470, 4663084), (5272, 3953715), (5307, 3927640), (5960, 3497313), (6590, 3162972), (7076, 2945730), (7320, 2847539), (7908, 2635810), (8642, 2411940), (8845, 2356584), (8940, 2331542), (9089, 2293320), (9885, 2108648), (10614, 1963820), (12963, 1607960), (13180, 1581486), (14152, 1472865), (15816, 1317905), (17284, 1205970), (17690, 1178292), (17880, 1165771), (18178, 1146660), (19111, 1090680), (19770, 1054324), (21228, 981910), (21605, 964776), (25926, 803980), (26360, 790743), (26535, 785528), (27267, 764440), (34568, 602985), (35380, 589146), (36356, 573330), (38222, 545340), (39540, 527162), (40199, 518520), (42456, 490955), (43210, 482388), (45445, 458664), (51852, 401990), (53070, 392764), (54534, 382220), (57333, 363560), (64815, 321592), (70760, 294573), (72712, 286665), (76444, 272670), (79080, 263581), (80398, 259260), (86420, 241194), (90890, 229332), (95555, 218136), (98191, 212280), (103704, 200995), (106140, 196382), (109068, 191110), (114666, 181780), (120597, 172840), (129630, 160796), (136335, 152888)]