31907460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2197

約数の個数: 96

約数和(自身を含む): 101324160

約数和(自身を除く): 69416700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2153, 2470, 2964, 3705, 4306, 4940, 6459, 7410, 8612, 10765, 12918, 14820, 21530, 25836, 27989, 32295, 40907, 43060, 55978, 64590, 81814, 83967, 111956, 122721, 129180, 139945, 163628, 167934, 204535, 245442, 279890, 335868, 409070, 419835, 490884, 531791, 559780, 613605, 818140, 839670, 1063582, 1227210, 1595373, 1679340, 2127164, 2454420, 2658955, 3190746, 5317910, 6381492, 7976865, 10635820, 15953730, 31907460]

約数ペア:

[(1, 31907460), (2, 15953730), (3, 10635820), (4, 7976865), (5, 6381492), (6, 5317910), (10, 3190746), (12, 2658955), (13, 2454420), (15, 2127164), (19, 1679340), (20, 1595373), (26, 1227210), (30, 1063582), (38, 839670), (39, 818140), (52, 613605), (57, 559780), (60, 531791), (65, 490884), (76, 419835), (78, 409070), (95, 335868), (114, 279890), (130, 245442), (156, 204535), (190, 167934), (195, 163628), (228, 139945), (247, 129180), (260, 122721), (285, 111956), (380, 83967), (390, 81814), (494, 64590), (570, 55978), (741, 43060), (780, 40907), (988, 32295), (1140, 27989), (1235, 25836), (1482, 21530), (2153, 14820), (2470, 12918), (2964, 10765), (3705, 8612), (4306, 7410), (4940, 6459)]