28676789968360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1\times {\mathrm{136177}}^1$

素因数の和:136823

約数の個数: 128

約数和(自身を含む): 65851595460000

約数和(自身を除く): 37174805491640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 149, 178, 298, 356, 397, 445, 596, 712, 745, 794, 890, 1192, 1490, 1588, 1780, 1985, 2980, 3176, 3560, 3970, 5960, 7940, 13261, 15880, 26522, 35333, 53044, 59153, 66305, 70666, 106088, 118306, 132610, 136177, 141332, 176665, 236612, 265220, 272354, 282664, 295765, 353330, 473224, 530440, 544708, 591530, 680885, 706660, 1089416, 1183060, 1361770, 1413320, 2366120, 2723540, 5264617, 5447080, 10529234, 12119753, 20290373, 21058468, 24239506, 26323085, 40580746, 42116936, 48479012, 52646170, 54062269, 60598765, 81161492, 96958024, 101451865, 105292340, 108124538, 121197530, 162322984, 202903730, 210584680, 216249076, 242395060, 270311345, 405807460, 432498152, 484790120, 540622690, 811614920, 1081245380, 1805843197, 2162490760, 3611686394, 4811541941, 7223372788, 8055278081, 9029215985, 9623083882, 14446745576, 16110556162, 18058431970, 19246167764, 24057709705, 32221112324, 36116863940, 38492335528, 40276390405, 48115419410, 64442224648, 72233727880, 80552780810, 96230838820, 161105561620, 192461677640, 322211123240, 716919749209, 1433839498418, 2867678996836, 3584598746045, 5735357993672, 7169197492090, 14338394984180, 28676789968360]

約数ペア:

[(1, 28676789968360), (2, 14338394984180), (4, 7169197492090), (5, 5735357993672), (8, 3584598746045), (10, 2867678996836), (20, 1433839498418), (40, 716919749209), (89, 322211123240), (149, 192461677640), (178, 161105561620), (298, 96230838820), (356, 80552780810), (397, 72233727880), (445, 64442224648), (596, 48115419410), (712, 40276390405), (745, 38492335528), (794, 36116863940), (890, 32221112324), (1192, 24057709705), (1490, 19246167764), (1588, 18058431970), (1780, 16110556162), (1985, 14446745576), (2980, 9623083882), (3176, 9029215985), (3560, 8055278081), (3970, 7223372788), (5960, 4811541941), (7940, 3611686394), (13261, 2162490760), (15880, 1805843197), (26522, 1081245380), (35333, 811614920), (53044, 540622690), (59153, 484790120), (66305, 432498152), (70666, 405807460), (106088, 270311345), (118306, 242395060), (132610, 216249076), (136177, 210584680), (141332, 202903730), (176665, 162322984), (236612, 121197530), (265220, 108124538), (272354, 105292340), (282664, 101451865), (295765, 96958024), (353330, 81161492), (473224, 60598765), (530440, 54062269), (544708, 52646170), (591530, 48479012), (680885, 42116936), (706660, 40580746), (1089416, 26323085), (1183060, 24239506), (1361770, 21058468), (1413320, 20290373), (2366120, 12119753), (2723540, 10529234), (5264617, 5447080)]