788822580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20678

約数の個数: 144

約数和(自身を含む): 2767080960

約数和(自身を除く): 1978258380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7644, 9555, 12740, 19110, 20639, 38220, 41278, 61917, 82556, 103195, 123834, 144473, 206390, 247668, 268307, 288946, 309585, 412780, 433419, 536614, 577892, 619170, 722365, 804921, 866838, 1011311, 1073228, 1238340, 1341535, 1444730, 1609842, 1733676, 1878149, 2022622, 2167095, 2683070, 2889460, 3033933, 3219684, 3756298, 4024605, 4045244, 4334190, 5056555, 5366140, 5634447, 6067866, 7512596, 8049210, 8668380, 9390745, 10113110, 11268894, 12135732, 13147043, 15169665, 16098420, 18781490, 20226220, 22537788, 26294086, 28172235, 30339330, 37562980, 39441129, 52588172, 56344470, 60678660, 65735215, 78882258, 112688940, 131470430, 157764516, 197205645, 262940860, 394411290, 788822580]

約数ペア:

[(1, 788822580), (2, 394411290), (3, 262940860), (4, 197205645), (5, 157764516), (6, 131470430), (7, 112688940), (10, 78882258), (12, 65735215), (13, 60678660), (14, 56344470), (15, 52588172), (20, 39441129), (21, 37562980), (26, 30339330), (28, 28172235), (30, 26294086), (35, 22537788), (39, 20226220), (42, 18781490), (49, 16098420), (52, 15169665), (60, 13147043), (65, 12135732), (70, 11268894), (78, 10113110), (84, 9390745), (91, 8668380), (98, 8049210), (105, 7512596), (130, 6067866), (140, 5634447), (147, 5366140), (156, 5056555), (182, 4334190), (195, 4045244), (196, 4024605), (210, 3756298), (245, 3219684), (260, 3033933), (273, 2889460), (294, 2683070), (364, 2167095), (390, 2022622), (420, 1878149), (455, 1733676), (490, 1609842), (546, 1444730), (588, 1341535), (637, 1238340), (735, 1073228), (780, 1011311), (910, 866838), (980, 804921), (1092, 722365), (1274, 619170), (1365, 577892), (1470, 536614), (1820, 433419), (1911, 412780), (2548, 309585), (2730, 288946), (2940, 268307), (3185, 247668), (3822, 206390), (5460, 144473), (6370, 123834), (7644, 103195), (9555, 82556), (12740, 61917), (19110, 41278), (20639, 38220)]