320620380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1187

約数の個数: 96

約数和(自身を含む): 923747328

約数和(自身を除く): 603126948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 73, 142, 146, 213, 219, 284, 292, 355, 365, 426, 438, 710, 730, 852, 876, 1031, 1065, 1095, 1420, 1460, 2062, 2130, 2190, 3093, 4124, 4260, 4380, 5155, 5183, 6186, 10310, 10366, 12372, 15465, 15549, 20620, 20732, 25915, 30930, 31098, 51830, 61860, 62196, 73201, 75263, 77745, 103660, 146402, 150526, 155490, 219603, 225789, 292804, 301052, 310980, 366005, 376315, 439206, 451578, 732010, 752630, 878412, 903156, 1098015, 1128945, 1464020, 1505260, 2196030, 2257890, 4392060, 4515780, 5343673, 10687346, 16031019, 21374692, 26718365, 32062038, 53436730, 64124076, 80155095, 106873460, 160310190, 320620380]

約数ペア:

[(1, 320620380), (2, 160310190), (3, 106873460), (4, 80155095), (5, 64124076), (6, 53436730), (10, 32062038), (12, 26718365), (15, 21374692), (20, 16031019), (30, 10687346), (60, 5343673), (71, 4515780), (73, 4392060), (142, 2257890), (146, 2196030), (213, 1505260), (219, 1464020), (284, 1128945), (292, 1098015), (355, 903156), (365, 878412), (426, 752630), (438, 732010), (710, 451578), (730, 439206), (852, 376315), (876, 366005), (1031, 310980), (1065, 301052), (1095, 292804), (1420, 225789), (1460, 219603), (2062, 155490), (2130, 150526), (2190, 146402), (3093, 103660), (4124, 77745), (4260, 75263), (4380, 73201), (5155, 62196), (5183, 61860), (6186, 51830), (10310, 31098), (10366, 30930), (12372, 25915), (15465, 20732), (15549, 20620)]