2855320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 7736400

約数和(自身を除く): 4881080

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 289, 323, 340, 380, 442, 494, 520, 578, 646, 680, 760, 884, 988, 1105, 1156, 1235, 1292, 1445, 1615, 1768, 1976, 2210, 2312, 2470, 2584, 2890, 3230, 3757, 4199, 4420, 4940, 5491, 5780, 6460, 7514, 8398, 8840, 9880, 10982, 11560, 12920, 15028, 16796, 18785, 20995, 21964, 27455, 30056, 33592, 37570, 41990, 43928, 54910, 71383, 75140, 83980, 109820, 142766, 150280, 167960, 219640, 285532, 356915, 571064, 713830, 1427660, 2855320]

約数ペア:

[(1, 2855320), (2, 1427660), (4, 713830), (5, 571064), (8, 356915), (10, 285532), (13, 219640), (17, 167960), (19, 150280), (20, 142766), (26, 109820), (34, 83980), (38, 75140), (40, 71383), (52, 54910), (65, 43928), (68, 41990), (76, 37570), (85, 33592), (95, 30056), (104, 27455), (130, 21964), (136, 20995), (152, 18785), (170, 16796), (190, 15028), (221, 12920), (247, 11560), (260, 10982), (289, 9880), (323, 8840), (340, 8398), (380, 7514), (442, 6460), (494, 5780), (520, 5491), (578, 4940), (646, 4420), (680, 4199), (760, 3757), (884, 3230), (988, 2890), (1105, 2584), (1156, 2470), (1235, 2312), (1292, 2210), (1445, 1976), (1615, 1768)]