31015530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 101208744

約数和(自身を除く): 70193214

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 390, 441, 455, 490, 541, 546, 585, 630, 637, 735, 819, 882, 910, 1082, 1170, 1274, 1365, 1470, 1623, 1638, 1911, 2205, 2705, 2730, 3185, 3246, 3787, 3822, 4095, 4410, 4869, 5410, 5733, 6370, 7033, 7574, 8115, 8190, 9555, 9738, 11361, 11466, 14066, 16230, 18935, 19110, 21099, 22722, 24345, 26509, 28665, 34083, 35165, 37870, 42198, 48690, 49231, 53018, 56805, 57330, 63297, 68166, 70330, 79527, 98462, 105495, 113610, 126594, 132545, 147693, 159054, 170415, 210990, 238581, 246155, 265090, 295386, 316485, 340830, 344617, 397635, 443079, 477162, 492310, 632970, 689234, 738465, 795270, 886158, 1033851, 1192905, 1476930, 1723085, 2067702, 2215395, 2385810, 3101553, 3446170, 4430790, 5169255, 6203106, 10338510, 15507765, 31015530]

約数ペア:

[(1, 31015530), (2, 15507765), (3, 10338510), (5, 6203106), (6, 5169255), (7, 4430790), (9, 3446170), (10, 3101553), (13, 2385810), (14, 2215395), (15, 2067702), (18, 1723085), (21, 1476930), (26, 1192905), (30, 1033851), (35, 886158), (39, 795270), (42, 738465), (45, 689234), (49, 632970), (63, 492310), (65, 477162), (70, 443079), (78, 397635), (90, 344617), (91, 340830), (98, 316485), (105, 295386), (117, 265090), (126, 246155), (130, 238581), (147, 210990), (182, 170415), (195, 159054), (210, 147693), (234, 132545), (245, 126594), (273, 113610), (294, 105495), (315, 98462), (390, 79527), (441, 70330), (455, 68166), (490, 63297), (541, 57330), (546, 56805), (585, 53018), (630, 49231), (637, 48690), (735, 42198), (819, 37870), (882, 35165), (910, 34083), (1082, 28665), (1170, 26509), (1274, 24345), (1365, 22722), (1470, 21099), (1623, 19110), (1638, 18935), (1911, 16230), (2205, 14066), (2705, 11466), (2730, 11361), (3185, 9738), (3246, 9555), (3787, 8190), (3822, 8115), (4095, 7574), (4410, 7033), (4869, 6370), (5410, 5733)]