77398020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 292481280

約数和(自身を除く): 215083260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 53, 57, 60, 61, 63, 70, 76, 84, 90, 95, 105, 106, 114, 122, 126, 133, 140, 159, 171, 180, 183, 190, 210, 212, 228, 244, 252, 265, 266, 285, 305, 315, 318, 342, 366, 371, 380, 399, 420, 427, 477, 530, 532, 549, 570, 610, 630, 636, 665, 684, 732, 742, 795, 798, 854, 855, 915, 954, 1007, 1060, 1098, 1113, 1140, 1159, 1197, 1220, 1260, 1281, 1330, 1484, 1590, 1596, 1708, 1710, 1830, 1855, 1908, 1995, 2014, 2135, 2196, 2226, 2318, 2385, 2394, 2562, 2660, 2745, 3021, 3180, 3233, 3339, 3420, 3477, 3660, 3710, 3843, 3990, 4028, 4270, 4452, 4636, 4770, 4788, 5035, 5124, 5490, 5565, 5795, 5985, 6042, 6405, 6466, 6678, 6954, 7049, 7420, 7686, 7980, 8113, 8540, 9063, 9540, 9699, 10070, 10431, 10980, 11130, 11590, 11970, 12084, 12810, 12932, 13356, 13908, 14098, 15105, 15372, 16165, 16226, 16695, 17385, 18126, 19215, 19398, 20140, 20862, 21147, 22260, 22631, 23180, 23940, 24339, 25620, 28196, 29097, 30210, 32330, 32452, 33390, 34770, 35245, 36252, 38430, 38796, 40565, 41724, 42294, 45262, 45315, 48495, 48678, 52155, 58194, 60420, 61427, 63441, 64660, 66780, 67893, 69540, 70490, 73017, 76860, 81130, 84588, 90524, 90630, 96990, 97356, 104310, 105735, 113155, 116388, 121695, 122854, 126882, 135786, 140980, 145485, 146034, 162260, 181260, 184281, 193980, 203679, 208620, 211470, 226310, 243390, 245708, 253764, 271572, 290970, 292068, 307135, 317205, 339465, 365085, 368562, 407358, 422940, 429989, 452620, 486780, 552843, 581940, 614270, 634410, 678930, 730170, 737124, 814716, 859978, 921405, 1018395, 1105686, 1228540, 1268820, 1289967, 1357860, 1460340, 1719956, 1842810, 2036790, 2149945, 2211372, 2579934, 2764215, 3685620, 3869901, 4073580, 4299890, 5159868, 5528430, 6449835, 7739802, 8599780, 11056860, 12899670, 15479604, 19349505, 25799340, 38699010, 77398020]

約数ペア:

[(1, 77398020), (2, 38699010), (3, 25799340), (4, 19349505), (5, 15479604), (6, 12899670), (7, 11056860), (9, 8599780), (10, 7739802), (12, 6449835), (14, 5528430), (15, 5159868), (18, 4299890), (19, 4073580), (20, 3869901), (21, 3685620), (28, 2764215), (30, 2579934), (35, 2211372), (36, 2149945), (38, 2036790), (42, 1842810), (45, 1719956), (53, 1460340), (57, 1357860), (60, 1289967), (61, 1268820), (63, 1228540), (70, 1105686), (76, 1018395), (84, 921405), (90, 859978), (95, 814716), (105, 737124), (106, 730170), (114, 678930), (122, 634410), (126, 614270), (133, 581940), (140, 552843), (159, 486780), (171, 452620), (180, 429989), (183, 422940), (190, 407358), (210, 368562), (212, 365085), (228, 339465), (244, 317205), (252, 307135), (265, 292068), (266, 290970), (285, 271572), (305, 253764), (315, 245708), (318, 243390), (342, 226310), (366, 211470), (371, 208620), (380, 203679), (399, 193980), (420, 184281), (427, 181260), (477, 162260), (530, 146034), (532, 145485), (549, 140980), (570, 135786), (610, 126882), (630, 122854), (636, 121695), (665, 116388), (684, 113155), (732, 105735), (742, 104310), (795, 97356), (798, 96990), (854, 90630), (855, 90524), (915, 84588), (954, 81130), (1007, 76860), (1060, 73017), (1098, 70490), (1113, 69540), (1140, 67893), (1159, 66780), (1197, 64660), (1220, 63441), (1260, 61427), (1281, 60420), (1330, 58194), (1484, 52155), (1590, 48678), (1596, 48495), (1708, 45315), (1710, 45262), (1830, 42294), (1855, 41724), (1908, 40565), (1995, 38796), (2014, 38430), (2135, 36252), (2196, 35245), (2226, 34770), (2318, 33390), (2385, 32452), (2394, 32330), (2562, 30210), (2660, 29097), (2745, 28196), (3021, 25620), (3180, 24339), (3233, 23940), (3339, 23180), (3420, 22631), (3477, 22260), (3660, 21147), (3710, 20862), (3843, 20140), (3990, 19398), (4028, 19215), (4270, 18126), (4452, 17385), (4636, 16695), (4770, 16226), (4788, 16165), (5035, 15372), (5124, 15105), (5490, 14098), (5565, 13908), (5795, 13356), (5985, 12932), (6042, 12810), (6405, 12084), (6466, 11970), (6678, 11590), (6954, 11130), (7049, 10980), (7420, 10431), (7686, 10070), (7980, 9699), (8113, 9540), (8540, 9063)]