20171890440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{8273}}^1$

素因数の和:8824

約数の個数: 192

約数和(自身を含む): 70745678640

約数和(自身を除く): 50573788200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 521, 585, 780, 936, 1042, 1170, 1560, 1563, 2084, 2340, 2605, 3126, 4168, 4680, 4689, 5210, 6252, 6773, 7815, 8273, 9378, 10420, 12504, 13546, 15630, 16546, 18756, 20319, 20840, 23445, 24819, 27092, 31260, 33092, 33865, 37512, 40638, 41365, 46890, 49638, 54184, 60957, 62520, 66184, 67730, 74457, 81276, 82730, 93780, 99276, 101595, 107549, 121914, 124095, 135460, 148914, 162552, 165460, 187560, 198552, 203190, 215098, 243828, 248190, 270920, 297828, 304785, 322647, 330920, 372285, 406380, 430196, 487656, 496380, 537745, 595656, 609570, 645294, 744570, 812760, 860392, 967941, 992760, 1075490, 1219140, 1290588, 1489140, 1613235, 1935882, 2150980, 2438280, 2581176, 2978280, 3226470, 3871764, 4301960, 4310233, 4839705, 6452940, 7743528, 8620466, 9679410, 12905880, 12930699, 17240932, 19358820, 21551165, 25861398, 34481864, 38717640, 38792097, 43102330, 51722796, 56033029, 64653495, 77584194, 86204660, 103445592, 112066058, 129306990, 155168388, 168099087, 172409320, 193960485, 224132116, 258613980, 280165145, 310336776, 336198174, 387920970, 448264232, 504297261, 517227960, 560330290, 672396348, 775841940, 840495435, 1008594522, 1120660580, 1344792696, 1551683880, 1680990870, 2017189044, 2241321160, 2521486305, 3361981740, 4034378088, 5042972610, 6723963480, 10085945220, 20171890440]

約数ペア:

[(1, 20171890440), (2, 10085945220), (3, 6723963480), (4, 5042972610), (5, 4034378088), (6, 3361981740), (8, 2521486305), (9, 2241321160), (10, 2017189044), (12, 1680990870), (13, 1551683880), (15, 1344792696), (18, 1120660580), (20, 1008594522), (24, 840495435), (26, 775841940), (30, 672396348), (36, 560330290), (39, 517227960), (40, 504297261), (45, 448264232), (52, 387920970), (60, 336198174), (65, 310336776), (72, 280165145), (78, 258613980), (90, 224132116), (104, 193960485), (117, 172409320), (120, 168099087), (130, 155168388), (156, 129306990), (180, 112066058), (195, 103445592), (234, 86204660), (260, 77584194), (312, 64653495), (360, 56033029), (390, 51722796), (468, 43102330), (520, 38792097), (521, 38717640), (585, 34481864), (780, 25861398), (936, 21551165), (1042, 19358820), (1170, 17240932), (1560, 12930699), (1563, 12905880), (2084, 9679410), (2340, 8620466), (2605, 7743528), (3126, 6452940), (4168, 4839705), (4680, 4310233), (4689, 4301960), (5210, 3871764), (6252, 3226470), (6773, 2978280), (7815, 2581176), (8273, 2438280), (9378, 2150980), (10420, 1935882), (12504, 1613235), (13546, 1489140), (15630, 1290588), (16546, 1219140), (18756, 1075490), (20319, 992760), (20840, 967941), (23445, 860392), (24819, 812760), (27092, 744570), (31260, 645294), (33092, 609570), (33865, 595656), (37512, 537745), (40638, 496380), (41365, 487656), (46890, 430196), (49638, 406380), (54184, 372285), (60957, 330920), (62520, 322647), (66184, 304785), (67730, 297828), (74457, 270920), (81276, 248190), (82730, 243828), (93780, 215098), (99276, 203190), (101595, 198552), (107549, 187560), (121914, 165460), (124095, 162552), (135460, 148914)]