28355132080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{4349}}^1$

素因数の和:4643

約数の個数: 160

約数和(自身を含む): 74566656000

約数和(自身を除く): 46211523920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 239, 248, 310, 341, 440, 478, 496, 620, 682, 880, 956, 1195, 1240, 1364, 1705, 1912, 2390, 2480, 2629, 2728, 3410, 3824, 4349, 4780, 5258, 5456, 6820, 7409, 8698, 9560, 10516, 13145, 13640, 14818, 17396, 19120, 21032, 21745, 26290, 27280, 29636, 34792, 37045, 42064, 43490, 47839, 52580, 59272, 69584, 74090, 81499, 86980, 95678, 105160, 118544, 134819, 148180, 162998, 173960, 191356, 210320, 239195, 269638, 296360, 325996, 347920, 382712, 407495, 478390, 539276, 592720, 651992, 674095, 765424, 814990, 956780, 1039411, 1078552, 1303984, 1348190, 1483009, 1629980, 1913560, 2078822, 2157104, 2696380, 2966018, 3259960, 3827120, 4157644, 5197055, 5392760, 5932036, 6519920, 7415045, 8315288, 10394110, 10785520, 11433521, 11864072, 14830090, 16630576, 20788220, 22867042, 23728144, 29660180, 32221741, 41576440, 45734084, 57167605, 59320360, 64443482, 83152880, 91468168, 114335210, 118640720, 128886964, 161108705, 182936336, 228670420, 257773928, 322217410, 354439151, 457340840, 515547856, 644434820, 708878302, 914681680, 1288869640, 1417756604, 1772195755, 2577739280, 2835513208, 3544391510, 5671026416, 7088783020, 14177566040, 28355132080]

約数ペア:

[(1, 28355132080), (2, 14177566040), (4, 7088783020), (5, 5671026416), (8, 3544391510), (10, 2835513208), (11, 2577739280), (16, 1772195755), (20, 1417756604), (22, 1288869640), (31, 914681680), (40, 708878302), (44, 644434820), (55, 515547856), (62, 457340840), (80, 354439151), (88, 322217410), (110, 257773928), (124, 228670420), (155, 182936336), (176, 161108705), (220, 128886964), (239, 118640720), (248, 114335210), (310, 91468168), (341, 83152880), (440, 64443482), (478, 59320360), (496, 57167605), (620, 45734084), (682, 41576440), (880, 32221741), (956, 29660180), (1195, 23728144), (1240, 22867042), (1364, 20788220), (1705, 16630576), (1912, 14830090), (2390, 11864072), (2480, 11433521), (2629, 10785520), (2728, 10394110), (3410, 8315288), (3824, 7415045), (4349, 6519920), (4780, 5932036), (5258, 5392760), (5456, 5197055), (6820, 4157644), (7409, 3827120), (8698, 3259960), (9560, 2966018), (10516, 2696380), (13145, 2157104), (13640, 2078822), (14818, 1913560), (17396, 1629980), (19120, 1483009), (21032, 1348190), (21745, 1303984), (26290, 1078552), (27280, 1039411), (29636, 956780), (34792, 814990), (37045, 765424), (42064, 674095), (43490, 651992), (47839, 592720), (52580, 539276), (59272, 478390), (69584, 407495), (74090, 382712), (81499, 347920), (86980, 325996), (95678, 296360), (105160, 269638), (118544, 239195), (134819, 210320), (148180, 191356), (162998, 173960)]