31517520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3203}}^1$

素因数の和:3260

約数の個数: 80

約数和(自身を含む): 100118592

約数和(自身を除く): 68601072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3203, 3280, 4920, 6406, 9609, 9840, 12812, 16015, 19218, 25624, 32030, 38436, 48045, 51248, 64060, 76872, 96090, 128120, 131323, 153744, 192180, 256240, 262646, 384360, 393969, 525292, 656615, 768720, 787938, 1050584, 1313230, 1575876, 1969845, 2101168, 2626460, 3151752, 3939690, 5252920, 6303504, 7879380, 10505840, 15758760, 31517520]

約数ペア:

[(1, 31517520), (2, 15758760), (3, 10505840), (4, 7879380), (5, 6303504), (6, 5252920), (8, 3939690), (10, 3151752), (12, 2626460), (15, 2101168), (16, 1969845), (20, 1575876), (24, 1313230), (30, 1050584), (40, 787938), (41, 768720), (48, 656615), (60, 525292), (80, 393969), (82, 384360), (120, 262646), (123, 256240), (164, 192180), (205, 153744), (240, 131323), (246, 128120), (328, 96090), (410, 76872), (492, 64060), (615, 51248), (656, 48045), (820, 38436), (984, 32030), (1230, 25624), (1640, 19218), (1968, 16015), (2460, 12812), (3203, 9840), (3280, 9609), (4920, 6406)]