31558620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 98316288

約数和(自身を除く): 66757668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 47, 57, 60, 62, 76, 93, 94, 95, 114, 124, 141, 155, 186, 188, 190, 228, 235, 282, 285, 310, 361, 372, 380, 465, 470, 564, 570, 589, 620, 705, 722, 893, 930, 940, 1083, 1140, 1178, 1410, 1444, 1457, 1767, 1786, 1805, 1860, 2166, 2356, 2679, 2820, 2914, 2945, 3534, 3572, 3610, 4332, 4371, 4465, 5358, 5415, 5828, 5890, 7068, 7220, 7285, 8742, 8835, 8930, 10716, 10830, 11191, 11780, 13395, 14570, 16967, 17484, 17670, 17860, 21660, 21855, 22382, 26790, 27683, 29140, 33573, 33934, 35340, 43710, 44764, 50901, 53580, 55366, 55955, 67146, 67868, 83049, 84835, 87420, 101802, 110732, 111910, 134292, 138415, 166098, 167865, 169670, 203604, 223820, 254505, 276830, 332196, 335730, 339340, 415245, 509010, 525977, 553660, 671460, 830490, 1018020, 1051954, 1577931, 1660980, 2103908, 2629885, 3155862, 5259770, 6311724, 7889655, 10519540, 15779310, 31558620]

約数ペア:

[(1, 31558620), (2, 15779310), (3, 10519540), (4, 7889655), (5, 6311724), (6, 5259770), (10, 3155862), (12, 2629885), (15, 2103908), (19, 1660980), (20, 1577931), (30, 1051954), (31, 1018020), (38, 830490), (47, 671460), (57, 553660), (60, 525977), (62, 509010), (76, 415245), (93, 339340), (94, 335730), (95, 332196), (114, 276830), (124, 254505), (141, 223820), (155, 203604), (186, 169670), (188, 167865), (190, 166098), (228, 138415), (235, 134292), (282, 111910), (285, 110732), (310, 101802), (361, 87420), (372, 84835), (380, 83049), (465, 67868), (470, 67146), (564, 55955), (570, 55366), (589, 53580), (620, 50901), (705, 44764), (722, 43710), (893, 35340), (930, 33934), (940, 33573), (1083, 29140), (1140, 27683), (1178, 26790), (1410, 22382), (1444, 21855), (1457, 21660), (1767, 17860), (1786, 17670), (1805, 17484), (1860, 16967), (2166, 14570), (2356, 13395), (2679, 11780), (2820, 11191), (2914, 10830), (2945, 10716), (3534, 8930), (3572, 8835), (3610, 8742), (4332, 7285), (4371, 7220), (4465, 7068), (5358, 5890), (5415, 5828)]