31979445280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{13049}}^1$

素因数の和:13151

約数の個数: 144

約数和(自身を含む): 81777616200

約数和(自身を除く): 49798170920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 68, 80, 85, 106, 136, 160, 170, 212, 265, 272, 289, 340, 424, 530, 544, 578, 680, 848, 901, 1060, 1156, 1360, 1445, 1696, 1802, 2120, 2312, 2720, 2890, 3604, 4240, 4505, 4624, 5780, 7208, 8480, 9010, 9248, 11560, 13049, 14416, 15317, 18020, 23120, 26098, 28832, 30634, 36040, 46240, 52196, 61268, 65245, 72080, 76585, 104392, 122536, 130490, 144160, 153170, 208784, 221833, 245072, 260980, 306340, 417568, 443666, 490144, 521960, 612680, 691597, 887332, 1043920, 1109165, 1225360, 1383194, 1774664, 2087840, 2218330, 2450720, 2766388, 3457985, 3549328, 3771161, 4436660, 5532776, 6915970, 7098656, 7542322, 8873320, 11065552, 11757149, 13831940, 15084644, 17746640, 18855805, 22131104, 23514298, 27663880, 30169288, 35493280, 37711610, 47028596, 55327760, 58785745, 60338576, 75423220, 94057192, 110655520, 117571490, 120677152, 150846440, 188114384, 199871533, 235142980, 301692880, 376228768, 399743066, 470285960, 603385760, 799486132, 940571920, 999357665, 1598972264, 1881143840, 1998715330, 3197944528, 3997430660, 6395889056, 7994861320, 15989722640, 31979445280]

約数ペア:

[(1, 31979445280), (2, 15989722640), (4, 7994861320), (5, 6395889056), (8, 3997430660), (10, 3197944528), (16, 1998715330), (17, 1881143840), (20, 1598972264), (32, 999357665), (34, 940571920), (40, 799486132), (53, 603385760), (68, 470285960), (80, 399743066), (85, 376228768), (106, 301692880), (136, 235142980), (160, 199871533), (170, 188114384), (212, 150846440), (265, 120677152), (272, 117571490), (289, 110655520), (340, 94057192), (424, 75423220), (530, 60338576), (544, 58785745), (578, 55327760), (680, 47028596), (848, 37711610), (901, 35493280), (1060, 30169288), (1156, 27663880), (1360, 23514298), (1445, 22131104), (1696, 18855805), (1802, 17746640), (2120, 15084644), (2312, 13831940), (2720, 11757149), (2890, 11065552), (3604, 8873320), (4240, 7542322), (4505, 7098656), (4624, 6915970), (5780, 5532776), (7208, 4436660), (8480, 3771161), (9010, 3549328), (9248, 3457985), (11560, 2766388), (13049, 2450720), (14416, 2218330), (15317, 2087840), (18020, 1774664), (23120, 1383194), (26098, 1225360), (28832, 1109165), (30634, 1043920), (36040, 887332), (46240, 691597), (52196, 612680), (61268, 521960), (65245, 490144), (72080, 443666), (76585, 417568), (104392, 306340), (122536, 260980), (130490, 245072), (144160, 221833), (153170, 208784)]