67371990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 194641920

約数和(自身を除く): 127269930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 79, 93, 105, 131, 155, 158, 186, 210, 217, 237, 262, 310, 393, 395, 434, 465, 474, 553, 651, 655, 786, 790, 917, 930, 1085, 1106, 1185, 1302, 1310, 1659, 1834, 1965, 2170, 2370, 2449, 2751, 2765, 3255, 3318, 3930, 4061, 4585, 4898, 5502, 5530, 6510, 7347, 8122, 8295, 9170, 10349, 12183, 12245, 13755, 14694, 16590, 17143, 20305, 20698, 24366, 24490, 27510, 28427, 31047, 34286, 36735, 40610, 51429, 51745, 56854, 60915, 62094, 72443, 73470, 85281, 85715, 102858, 103490, 121830, 142135, 144886, 155235, 170562, 171430, 217329, 257145, 284270, 310470, 320819, 362215, 426405, 434658, 514290, 641638, 724430, 852810, 962457, 1086645, 1604095, 1924914, 2173290, 2245733, 3208190, 4491466, 4812285, 6737199, 9624570, 11228665, 13474398, 22457330, 33685995, 67371990]

約数ペア:

[(1, 67371990), (2, 33685995), (3, 22457330), (5, 13474398), (6, 11228665), (7, 9624570), (10, 6737199), (14, 4812285), (15, 4491466), (21, 3208190), (30, 2245733), (31, 2173290), (35, 1924914), (42, 1604095), (62, 1086645), (70, 962457), (79, 852810), (93, 724430), (105, 641638), (131, 514290), (155, 434658), (158, 426405), (186, 362215), (210, 320819), (217, 310470), (237, 284270), (262, 257145), (310, 217329), (393, 171430), (395, 170562), (434, 155235), (465, 144886), (474, 142135), (553, 121830), (651, 103490), (655, 102858), (786, 85715), (790, 85281), (917, 73470), (930, 72443), (1085, 62094), (1106, 60915), (1185, 56854), (1302, 51745), (1310, 51429), (1659, 40610), (1834, 36735), (1965, 34286), (2170, 31047), (2370, 28427), (2449, 27510), (2751, 24490), (2765, 24366), (3255, 20698), (3318, 20305), (3930, 17143), (4061, 16590), (4585, 14694), (4898, 13755), (5502, 12245), (5530, 12183), (6510, 10349), (7347, 9170), (8122, 8295)]