78256620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 260874432

約数和(自身を除く): 182617812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 631, 636, 689, 780, 795, 954, 1060, 1170, 1262, 1378, 1590, 1893, 1908, 2067, 2340, 2385, 2524, 2756, 3155, 3180, 3445, 3786, 4134, 4770, 5679, 6201, 6310, 6890, 7572, 8203, 8268, 9465, 9540, 10335, 11358, 12402, 12620, 13780, 16406, 18930, 20670, 22716, 24609, 24804, 28395, 31005, 32812, 33443, 37860, 41015, 41340, 49218, 56790, 62010, 66886, 73827, 82030, 98436, 100329, 113580, 123045, 124020, 133772, 147654, 164060, 167215, 200658, 246090, 295308, 300987, 334430, 369135, 401316, 434759, 492180, 501645, 601974, 668860, 738270, 869518, 1003290, 1203948, 1304277, 1476540, 1504935, 1739036, 2006580, 2173795, 2608554, 3009870, 3912831, 4347590, 5217108, 6019740, 6521385, 7825662, 8695180, 13042770, 15651324, 19564155, 26085540, 39128310, 78256620]

約数ペア:

[(1, 78256620), (2, 39128310), (3, 26085540), (4, 19564155), (5, 15651324), (6, 13042770), (9, 8695180), (10, 7825662), (12, 6521385), (13, 6019740), (15, 5217108), (18, 4347590), (20, 3912831), (26, 3009870), (30, 2608554), (36, 2173795), (39, 2006580), (45, 1739036), (52, 1504935), (53, 1476540), (60, 1304277), (65, 1203948), (78, 1003290), (90, 869518), (106, 738270), (117, 668860), (130, 601974), (156, 501645), (159, 492180), (180, 434759), (195, 401316), (212, 369135), (234, 334430), (260, 300987), (265, 295308), (318, 246090), (390, 200658), (468, 167215), (477, 164060), (530, 147654), (585, 133772), (631, 124020), (636, 123045), (689, 113580), (780, 100329), (795, 98436), (954, 82030), (1060, 73827), (1170, 66886), (1262, 62010), (1378, 56790), (1590, 49218), (1893, 41340), (1908, 41015), (2067, 37860), (2340, 33443), (2385, 32812), (2524, 31005), (2756, 28395), (3155, 24804), (3180, 24609), (3445, 22716), (3786, 20670), (4134, 18930), (4770, 16406), (5679, 13780), (6201, 12620), (6310, 12402), (6890, 11358), (7572, 10335), (8203, 9540), (8268, 9465)]