31164900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 99451968

約数和(自身を除く): 68287068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 61, 65, 75, 78, 100, 122, 130, 131, 150, 156, 183, 195, 244, 260, 262, 300, 305, 325, 366, 390, 393, 524, 610, 650, 655, 732, 780, 786, 793, 915, 975, 1220, 1300, 1310, 1525, 1572, 1586, 1703, 1830, 1950, 1965, 2379, 2620, 3050, 3172, 3275, 3406, 3660, 3900, 3930, 3965, 4575, 4758, 5109, 6100, 6550, 6812, 7860, 7930, 7991, 8515, 9150, 9516, 9825, 10218, 11895, 13100, 15860, 15982, 17030, 18300, 19650, 19825, 20436, 23790, 23973, 25545, 31964, 34060, 39300, 39650, 39955, 42575, 47580, 47946, 51090, 59475, 79300, 79910, 85150, 95892, 102180, 103883, 118950, 119865, 127725, 159820, 170300, 199775, 207766, 237900, 239730, 255450, 311649, 399550, 415532, 479460, 510900, 519415, 599325, 623298, 799100, 1038830, 1198650, 1246596, 1558245, 2077660, 2397300, 2597075, 3116490, 5194150, 6232980, 7791225, 10388300, 15582450, 31164900]

約数ペア:

[(1, 31164900), (2, 15582450), (3, 10388300), (4, 7791225), (5, 6232980), (6, 5194150), (10, 3116490), (12, 2597075), (13, 2397300), (15, 2077660), (20, 1558245), (25, 1246596), (26, 1198650), (30, 1038830), (39, 799100), (50, 623298), (52, 599325), (60, 519415), (61, 510900), (65, 479460), (75, 415532), (78, 399550), (100, 311649), (122, 255450), (130, 239730), (131, 237900), (150, 207766), (156, 199775), (183, 170300), (195, 159820), (244, 127725), (260, 119865), (262, 118950), (300, 103883), (305, 102180), (325, 95892), (366, 85150), (390, 79910), (393, 79300), (524, 59475), (610, 51090), (650, 47946), (655, 47580), (732, 42575), (780, 39955), (786, 39650), (793, 39300), (915, 34060), (975, 31964), (1220, 25545), (1300, 23973), (1310, 23790), (1525, 20436), (1572, 19825), (1586, 19650), (1703, 18300), (1830, 17030), (1950, 15982), (1965, 15860), (2379, 13100), (2620, 11895), (3050, 10218), (3172, 9825), (3275, 9516), (3406, 9150), (3660, 8515), (3900, 7991), (3930, 7930), (3965, 7860), (4575, 6812), (4758, 6550), (5109, 6100)]