388644030840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{394819}}^1$

素因数の和:395477

約数の個数: 128

約数和(自身を含む): 1257612249600

約数和(自身を除く): 868968218760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 631, 780, 1262, 1560, 1893, 2524, 3155, 3786, 5048, 6310, 7572, 8203, 9465, 12620, 15144, 16406, 18930, 24609, 25240, 32812, 37860, 41015, 49218, 65624, 75720, 82030, 98436, 123045, 164060, 196872, 246090, 328120, 394819, 492180, 789638, 984360, 1184457, 1579276, 1974095, 2368914, 3158552, 3948190, 4737828, 5132647, 5922285, 7896380, 9475656, 10265294, 11844570, 15397941, 15792760, 20530588, 23689140, 25663235, 30795882, 41061176, 47378280, 51326470, 61591764, 76989705, 102652940, 123183528, 153979410, 205305880, 249130789, 307958820, 498261578, 615917640, 747392367, 996523156, 1245653945, 1494784734, 1993046312, 2491307890, 2989569468, 3238700257, 3736961835, 4982615780, 5979138936, 6477400514, 7473923670, 9716100771, 9965231560, 12954801028, 14947847340, 16193501285, 19432201542, 25909602056, 29895694680, 32387002570, 38864403084, 48580503855, 64774005140, 77728806168, 97161007710, 129548010280, 194322015420, 388644030840]

約数ペア:

[(1, 388644030840), (2, 194322015420), (3, 129548010280), (4, 97161007710), (5, 77728806168), (6, 64774005140), (8, 48580503855), (10, 38864403084), (12, 32387002570), (13, 29895694680), (15, 25909602056), (20, 19432201542), (24, 16193501285), (26, 14947847340), (30, 12954801028), (39, 9965231560), (40, 9716100771), (52, 7473923670), (60, 6477400514), (65, 5979138936), (78, 4982615780), (104, 3736961835), (120, 3238700257), (130, 2989569468), (156, 2491307890), (195, 1993046312), (260, 1494784734), (312, 1245653945), (390, 996523156), (520, 747392367), (631, 615917640), (780, 498261578), (1262, 307958820), (1560, 249130789), (1893, 205305880), (2524, 153979410), (3155, 123183528), (3786, 102652940), (5048, 76989705), (6310, 61591764), (7572, 51326470), (8203, 47378280), (9465, 41061176), (12620, 30795882), (15144, 25663235), (16406, 23689140), (18930, 20530588), (24609, 15792760), (25240, 15397941), (32812, 11844570), (37860, 10265294), (41015, 9475656), (49218, 7896380), (65624, 5922285), (75720, 5132647), (82030, 4737828), (98436, 3948190), (123045, 3158552), (164060, 2368914), (196872, 1974095), (246090, 1579276), (328120, 1184457), (394819, 984360), (492180, 789638)]