78320340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1102

約数の個数: 144

約数和(自身を含む): 276232320

約数和(自身を除く): 197911980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1019, 1098, 1220, 1260, 1281, 1708, 1830, 2038, 2135, 2196, 2562, 2745, 3057, 3660, 3843, 4076, 4270, 5095, 5124, 5490, 6114, 6405, 7133, 7686, 8540, 9171, 10190, 10980, 12228, 12810, 14266, 15285, 15372, 18342, 19215, 20380, 21399, 25620, 28532, 30570, 35665, 36684, 38430, 42798, 45855, 61140, 62159, 64197, 71330, 76860, 85596, 91710, 106995, 124318, 128394, 142660, 183420, 186477, 213990, 248636, 256788, 310795, 320985, 372954, 427980, 435113, 559431, 621590, 641970, 745908, 870226, 932385, 1118862, 1243180, 1283940, 1305339, 1740452, 1864770, 2175565, 2237724, 2610678, 2797155, 3729540, 3916017, 4351130, 5221356, 5594310, 6526695, 7832034, 8702260, 11188620, 13053390, 15664068, 19580085, 26106780, 39160170, 78320340]

約数ペア:

[(1, 78320340), (2, 39160170), (3, 26106780), (4, 19580085), (5, 15664068), (6, 13053390), (7, 11188620), (9, 8702260), (10, 7832034), (12, 6526695), (14, 5594310), (15, 5221356), (18, 4351130), (20, 3916017), (21, 3729540), (28, 2797155), (30, 2610678), (35, 2237724), (36, 2175565), (42, 1864770), (45, 1740452), (60, 1305339), (61, 1283940), (63, 1243180), (70, 1118862), (84, 932385), (90, 870226), (105, 745908), (122, 641970), (126, 621590), (140, 559431), (180, 435113), (183, 427980), (210, 372954), (244, 320985), (252, 310795), (305, 256788), (315, 248636), (366, 213990), (420, 186477), (427, 183420), (549, 142660), (610, 128394), (630, 124318), (732, 106995), (854, 91710), (915, 85596), (1019, 76860), (1098, 71330), (1220, 64197), (1260, 62159), (1281, 61140), (1708, 45855), (1830, 42798), (2038, 38430), (2135, 36684), (2196, 35665), (2562, 30570), (2745, 28532), (3057, 25620), (3660, 21399), (3843, 20380), (4076, 19215), (4270, 18342), (5095, 15372), (5124, 15285), (5490, 14266), (6114, 12810), (6405, 12228), (7133, 10980), (7686, 10190), (8540, 9171)]