83961990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 144

約数和(自身を含む): 258223680

約数和(自身を除く): 174261690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 79, 90, 98, 105, 126, 147, 158, 210, 237, 241, 245, 294, 315, 395, 441, 474, 482, 490, 553, 630, 711, 723, 735, 790, 882, 1106, 1185, 1205, 1422, 1446, 1470, 1659, 1687, 2169, 2205, 2370, 2410, 2765, 3318, 3374, 3555, 3615, 3871, 4338, 4410, 4977, 5061, 5530, 7110, 7230, 7742, 8295, 8435, 9954, 10122, 10845, 11613, 11809, 15183, 16590, 16870, 19039, 19355, 21690, 23226, 23618, 24885, 25305, 30366, 34839, 35427, 38078, 38710, 49770, 50610, 57117, 58065, 59045, 69678, 70854, 75915, 95195, 106281, 114234, 116130, 118090, 133273, 151830, 171351, 174195, 177135, 190390, 212562, 266546, 285585, 342702, 348390, 354270, 399819, 531405, 571170, 666365, 799638, 856755, 932911, 1062810, 1199457, 1332730, 1713510, 1865822, 1999095, 2398914, 2798733, 3998190, 4664555, 5597466, 5997285, 8396199, 9329110, 11994570, 13993665, 16792398, 27987330, 41980995, 83961990]

約数ペア:

[(1, 83961990), (2, 41980995), (3, 27987330), (5, 16792398), (6, 13993665), (7, 11994570), (9, 9329110), (10, 8396199), (14, 5997285), (15, 5597466), (18, 4664555), (21, 3998190), (30, 2798733), (35, 2398914), (42, 1999095), (45, 1865822), (49, 1713510), (63, 1332730), (70, 1199457), (79, 1062810), (90, 932911), (98, 856755), (105, 799638), (126, 666365), (147, 571170), (158, 531405), (210, 399819), (237, 354270), (241, 348390), (245, 342702), (294, 285585), (315, 266546), (395, 212562), (441, 190390), (474, 177135), (482, 174195), (490, 171351), (553, 151830), (630, 133273), (711, 118090), (723, 116130), (735, 114234), (790, 106281), (882, 95195), (1106, 75915), (1185, 70854), (1205, 69678), (1422, 59045), (1446, 58065), (1470, 57117), (1659, 50610), (1687, 49770), (2169, 38710), (2205, 38078), (2370, 35427), (2410, 34839), (2765, 30366), (3318, 25305), (3374, 24885), (3555, 23618), (3615, 23226), (3871, 21690), (4338, 19355), (4410, 19039), (4977, 16870), (5061, 16590), (5530, 15183), (7110, 11809), (7230, 11613), (7742, 10845), (8295, 10122), (8435, 9954)]