78765420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 250822656

約数和(自身を除く): 172057236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 47, 51, 53, 60, 62, 68, 85, 93, 94, 102, 106, 124, 141, 155, 159, 170, 186, 188, 204, 212, 235, 255, 265, 282, 310, 318, 340, 372, 465, 470, 510, 527, 530, 564, 620, 636, 705, 795, 799, 901, 930, 940, 1020, 1054, 1060, 1410, 1457, 1581, 1590, 1598, 1643, 1802, 1860, 2108, 2397, 2491, 2635, 2703, 2820, 2914, 3162, 3180, 3196, 3286, 3604, 3995, 4371, 4505, 4794, 4929, 4982, 5270, 5406, 5828, 6324, 6572, 7285, 7473, 7905, 7990, 8215, 8742, 9010, 9588, 9858, 9964, 10540, 10812, 11985, 12455, 13515, 14570, 14946, 15810, 15980, 16430, 17484, 18020, 19716, 21855, 23970, 24645, 24769, 24910, 27030, 27931, 29140, 29892, 31620, 32860, 37365, 42347, 43710, 47940, 49290, 49538, 49820, 54060, 55862, 74307, 74730, 77221, 83793, 84694, 87420, 98580, 99076, 111724, 123845, 127041, 139655, 148614, 149460, 154442, 167586, 169388, 211735, 231663, 247690, 254082, 279310, 297228, 308884, 335172, 371535, 386105, 418965, 423470, 463326, 495380, 508164, 558620, 635205, 743070, 772210, 837930, 846940, 926652, 1158315, 1270410, 1312757, 1486140, 1544420, 1675860, 2316630, 2540820, 2625514, 3938271, 4633260, 5251028, 6563785, 7876542, 13127570, 15753084, 19691355, 26255140, 39382710, 78765420]

約数ペア:

[(1, 78765420), (2, 39382710), (3, 26255140), (4, 19691355), (5, 15753084), (6, 13127570), (10, 7876542), (12, 6563785), (15, 5251028), (17, 4633260), (20, 3938271), (30, 2625514), (31, 2540820), (34, 2316630), (47, 1675860), (51, 1544420), (53, 1486140), (60, 1312757), (62, 1270410), (68, 1158315), (85, 926652), (93, 846940), (94, 837930), (102, 772210), (106, 743070), (124, 635205), (141, 558620), (155, 508164), (159, 495380), (170, 463326), (186, 423470), (188, 418965), (204, 386105), (212, 371535), (235, 335172), (255, 308884), (265, 297228), (282, 279310), (310, 254082), (318, 247690), (340, 231663), (372, 211735), (465, 169388), (470, 167586), (510, 154442), (527, 149460), (530, 148614), (564, 139655), (620, 127041), (636, 123845), (705, 111724), (795, 99076), (799, 98580), (901, 87420), (930, 84694), (940, 83793), (1020, 77221), (1054, 74730), (1060, 74307), (1410, 55862), (1457, 54060), (1581, 49820), (1590, 49538), (1598, 49290), (1643, 47940), (1802, 43710), (1860, 42347), (2108, 37365), (2397, 32860), (2491, 31620), (2635, 29892), (2703, 29140), (2820, 27931), (2914, 27030), (3162, 24910), (3180, 24769), (3196, 24645), (3286, 23970), (3604, 21855), (3995, 19716), (4371, 18020), (4505, 17484), (4794, 16430), (4929, 15980), (4982, 15810), (5270, 14946), (5406, 14570), (5828, 13515), (6324, 12455), (6572, 11985), (7285, 10812), (7473, 10540), (7905, 9964), (7990, 9858), (8215, 9588), (8742, 9010)]