31260060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 107909760

約数和(自身を除く): 76649700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 73, 78, 90, 108, 117, 122, 130, 135, 146, 156, 180, 183, 195, 219, 234, 244, 260, 270, 292, 305, 351, 365, 366, 390, 438, 468, 540, 549, 585, 610, 657, 702, 730, 732, 780, 793, 876, 915, 949, 1095, 1098, 1170, 1220, 1314, 1404, 1460, 1586, 1647, 1755, 1830, 1898, 1971, 2190, 2196, 2340, 2379, 2628, 2745, 2847, 3172, 3285, 3294, 3510, 3660, 3796, 3942, 3965, 4380, 4453, 4745, 4758, 5490, 5694, 6570, 6588, 7020, 7137, 7884, 7930, 8235, 8541, 8906, 9490, 9516, 9855, 10980, 11388, 11895, 13140, 13359, 14235, 14274, 15860, 16470, 17082, 17812, 18980, 19710, 21411, 22265, 23790, 25623, 26718, 28470, 28548, 32940, 34164, 35685, 39420, 40077, 42705, 42822, 44530, 47580, 51246, 53436, 56940, 57889, 66795, 71370, 80154, 85410, 85644, 89060, 102492, 107055, 115778, 120231, 128115, 133590, 142740, 160308, 170820, 173667, 200385, 214110, 231556, 240462, 256230, 267180, 289445, 347334, 400770, 428220, 480924, 512460, 521001, 578890, 601155, 694668, 801540, 868335, 1042002, 1157780, 1202310, 1563003, 1736670, 2084004, 2404620, 2605005, 3126006, 3473340, 5210010, 6252012, 7815015, 10420020, 15630030, 31260060]

約数ペア:

[(1, 31260060), (2, 15630030), (3, 10420020), (4, 7815015), (5, 6252012), (6, 5210010), (9, 3473340), (10, 3126006), (12, 2605005), (13, 2404620), (15, 2084004), (18, 1736670), (20, 1563003), (26, 1202310), (27, 1157780), (30, 1042002), (36, 868335), (39, 801540), (45, 694668), (52, 601155), (54, 578890), (60, 521001), (61, 512460), (65, 480924), (73, 428220), (78, 400770), (90, 347334), (108, 289445), (117, 267180), (122, 256230), (130, 240462), (135, 231556), (146, 214110), (156, 200385), (180, 173667), (183, 170820), (195, 160308), (219, 142740), (234, 133590), (244, 128115), (260, 120231), (270, 115778), (292, 107055), (305, 102492), (351, 89060), (365, 85644), (366, 85410), (390, 80154), (438, 71370), (468, 66795), (540, 57889), (549, 56940), (585, 53436), (610, 51246), (657, 47580), (702, 44530), (730, 42822), (732, 42705), (780, 40077), (793, 39420), (876, 35685), (915, 34164), (949, 32940), (1095, 28548), (1098, 28470), (1170, 26718), (1220, 25623), (1314, 23790), (1404, 22265), (1460, 21411), (1586, 19710), (1647, 18980), (1755, 17812), (1830, 17082), (1898, 16470), (1971, 15860), (2190, 14274), (2196, 14235), (2340, 13359), (2379, 13140), (2628, 11895), (2745, 11388), (2847, 10980), (3172, 9855), (3285, 9516), (3294, 9490), (3510, 8906), (3660, 8541), (3796, 8235), (3942, 7930), (3965, 7884), (4380, 7137), (4453, 7020), (4745, 6588), (4758, 6570), (5490, 5694)]