17860287920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:643

約数の個数: 160

約数和(自身を含む): 43557212160

約数和(自身を除く): 25696924240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 197, 248, 263, 278, 310, 394, 496, 526, 556, 620, 695, 788, 985, 1052, 1112, 1240, 1315, 1390, 1576, 1970, 2104, 2224, 2480, 2630, 2780, 3152, 3940, 4208, 4309, 5260, 5560, 6107, 7880, 8153, 8618, 10520, 11120, 12214, 15760, 16306, 17236, 21040, 21545, 24428, 27383, 30535, 32612, 34472, 36557, 40765, 43090, 48856, 51811, 54766, 61070, 65224, 68944, 73114, 81530, 86180, 97712, 103622, 109532, 122140, 130448, 136915, 146228, 163060, 172360, 182785, 207244, 219064, 244280, 259055, 273830, 292456, 326120, 344720, 365570, 414488, 438128, 488560, 518110, 547660, 584912, 652240, 731140, 828976, 848873, 1036220, 1095320, 1133267, 1462280, 1606141, 1697746, 2072440, 2190640, 2266534, 2924560, 3212282, 3395492, 4144880, 4244365, 4533068, 5666335, 6424564, 6790984, 7201729, 8030705, 8488730, 9066136, 11332670, 12849128, 13581968, 14403458, 16061410, 16977460, 18132272, 22665340, 25698256, 28806916, 32122820, 33954920, 36008645, 45330680, 57613832, 64245640, 67909840, 72017290, 90661360, 115227664, 128491280, 144034580, 223253599, 288069160, 446507198, 576138320, 893014396, 1116267995, 1786028792, 2232535990, 3572057584, 4465071980, 8930143960, 17860287920]

約数ペア:

[(1, 17860287920), (2, 8930143960), (4, 4465071980), (5, 3572057584), (8, 2232535990), (10, 1786028792), (16, 1116267995), (20, 893014396), (31, 576138320), (40, 446507198), (62, 288069160), (80, 223253599), (124, 144034580), (139, 128491280), (155, 115227664), (197, 90661360), (248, 72017290), (263, 67909840), (278, 64245640), (310, 57613832), (394, 45330680), (496, 36008645), (526, 33954920), (556, 32122820), (620, 28806916), (695, 25698256), (788, 22665340), (985, 18132272), (1052, 16977460), (1112, 16061410), (1240, 14403458), (1315, 13581968), (1390, 12849128), (1576, 11332670), (1970, 9066136), (2104, 8488730), (2224, 8030705), (2480, 7201729), (2630, 6790984), (2780, 6424564), (3152, 5666335), (3940, 4533068), (4208, 4244365), (4309, 4144880), (5260, 3395492), (5560, 3212282), (6107, 2924560), (7880, 2266534), (8153, 2190640), (8618, 2072440), (10520, 1697746), (11120, 1606141), (12214, 1462280), (15760, 1133267), (16306, 1095320), (17236, 1036220), (21040, 848873), (21545, 828976), (24428, 731140), (27383, 652240), (30535, 584912), (32612, 547660), (34472, 518110), (36557, 488560), (40765, 438128), (43090, 414488), (48856, 365570), (51811, 344720), (54766, 326120), (61070, 292456), (65224, 273830), (68944, 259055), (73114, 244280), (81530, 219064), (86180, 207244), (97712, 182785), (103622, 172360), (109532, 163060), (122140, 146228), (130448, 136915)]