308769760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:661

約数の個数: 144

約数和(自身を含む): 832854960

約数和(自身を除く): 524085200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 247, 260, 304, 338, 380, 416, 494, 520, 601, 608, 676, 760, 845, 988, 1040, 1202, 1235, 1352, 1520, 1690, 1976, 2080, 2404, 2470, 2704, 3005, 3040, 3211, 3380, 3952, 4808, 4940, 5408, 6010, 6422, 6760, 7813, 7904, 9616, 9880, 11419, 12020, 12844, 13520, 15626, 16055, 19232, 19760, 22838, 24040, 25688, 27040, 31252, 32110, 39065, 39520, 45676, 48080, 51376, 57095, 62504, 64220, 78130, 91352, 96160, 101569, 102752, 114190, 125008, 128440, 148447, 156260, 182704, 203138, 228380, 250016, 256880, 296894, 312520, 365408, 406276, 456760, 507845, 513760, 593788, 625040, 742235, 812552, 913520, 1015690, 1187576, 1250080, 1484470, 1625104, 1827040, 1929811, 2031380, 2375152, 2968940, 3250208, 3859622, 4062760, 4750304, 5937880, 7719244, 8125520, 9649055, 11875760, 15438488, 16251040, 19298110, 23751520, 30876976, 38596220, 61753952, 77192440, 154384880, 308769760]

約数ペア:

[(1, 308769760), (2, 154384880), (4, 77192440), (5, 61753952), (8, 38596220), (10, 30876976), (13, 23751520), (16, 19298110), (19, 16251040), (20, 15438488), (26, 11875760), (32, 9649055), (38, 8125520), (40, 7719244), (52, 5937880), (65, 4750304), (76, 4062760), (80, 3859622), (95, 3250208), (104, 2968940), (130, 2375152), (152, 2031380), (160, 1929811), (169, 1827040), (190, 1625104), (208, 1484470), (247, 1250080), (260, 1187576), (304, 1015690), (338, 913520), (380, 812552), (416, 742235), (494, 625040), (520, 593788), (601, 513760), (608, 507845), (676, 456760), (760, 406276), (845, 365408), (988, 312520), (1040, 296894), (1202, 256880), (1235, 250016), (1352, 228380), (1520, 203138), (1690, 182704), (1976, 156260), (2080, 148447), (2404, 128440), (2470, 125008), (2704, 114190), (3005, 102752), (3040, 101569), (3211, 96160), (3380, 91352), (3952, 78130), (4808, 64220), (4940, 62504), (5408, 57095), (6010, 51376), (6422, 48080), (6760, 45676), (7813, 39520), (7904, 39065), (9616, 32110), (9880, 31252), (11419, 27040), (12020, 25688), (12844, 24040), (13520, 22838), (15626, 19760), (16055, 19232)]