15678820040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{1907}}^1$

素因数の和:2191

約数の個数: 128

約数和(自身を含む): 38638373760

約数和(自身を除く): 22959553720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 163, 194, 260, 326, 388, 485, 520, 652, 776, 815, 970, 1261, 1304, 1630, 1907, 1940, 2119, 2522, 3260, 3814, 3880, 4238, 5044, 6305, 6520, 7628, 8476, 9535, 10088, 10595, 12610, 15256, 15811, 16952, 19070, 21190, 24791, 25220, 31622, 38140, 42380, 49582, 50440, 63244, 76280, 79055, 84760, 99164, 123955, 126488, 158110, 184979, 198328, 205543, 247910, 310841, 316220, 369958, 411086, 495820, 621682, 632440, 739916, 822172, 924895, 991640, 1027715, 1243364, 1479832, 1554205, 1644344, 1849790, 2055430, 2404727, 2486728, 3108410, 3699580, 4040933, 4110860, 4809454, 6216820, 7399160, 8081866, 8221720, 9618908, 12023635, 12433640, 16163732, 19237816, 20204665, 24047270, 30151577, 32327464, 40409330, 48094540, 60303154, 80818660, 96189080, 120606308, 150757885, 161637320, 241212616, 301515770, 391970501, 603031540, 783941002, 1206063080, 1567882004, 1959852505, 3135764008, 3919705010, 7839410020, 15678820040]

約数ペア:

[(1, 15678820040), (2, 7839410020), (4, 3919705010), (5, 3135764008), (8, 1959852505), (10, 1567882004), (13, 1206063080), (20, 783941002), (26, 603031540), (40, 391970501), (52, 301515770), (65, 241212616), (97, 161637320), (104, 150757885), (130, 120606308), (163, 96189080), (194, 80818660), (260, 60303154), (326, 48094540), (388, 40409330), (485, 32327464), (520, 30151577), (652, 24047270), (776, 20204665), (815, 19237816), (970, 16163732), (1261, 12433640), (1304, 12023635), (1630, 9618908), (1907, 8221720), (1940, 8081866), (2119, 7399160), (2522, 6216820), (3260, 4809454), (3814, 4110860), (3880, 4040933), (4238, 3699580), (5044, 3108410), (6305, 2486728), (6520, 2404727), (7628, 2055430), (8476, 1849790), (9535, 1644344), (10088, 1554205), (10595, 1479832), (12610, 1243364), (15256, 1027715), (15811, 991640), (16952, 924895), (19070, 822172), (21190, 739916), (24791, 632440), (25220, 621682), (31622, 495820), (38140, 411086), (42380, 369958), (49582, 316220), (50440, 310841), (63244, 247910), (76280, 205543), (79055, 198328), (84760, 184979), (99164, 158110), (123955, 126488)]