2191440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 7106688

約数和(自身を除く): 4915248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 397, 460, 552, 690, 794, 920, 1104, 1191, 1380, 1588, 1840, 1985, 2382, 2760, 3176, 3970, 4764, 5520, 5955, 6352, 7940, 9131, 9528, 11910, 15880, 18262, 19056, 23820, 27393, 31760, 36524, 45655, 47640, 54786, 73048, 91310, 95280, 109572, 136965, 146096, 182620, 219144, 273930, 365240, 438288, 547860, 730480, 1095720, 2191440]

約数ペア:

[(1, 2191440), (2, 1095720), (3, 730480), (4, 547860), (5, 438288), (6, 365240), (8, 273930), (10, 219144), (12, 182620), (15, 146096), (16, 136965), (20, 109572), (23, 95280), (24, 91310), (30, 73048), (40, 54786), (46, 47640), (48, 45655), (60, 36524), (69, 31760), (80, 27393), (92, 23820), (115, 19056), (120, 18262), (138, 15880), (184, 11910), (230, 9528), (240, 9131), (276, 7940), (345, 6352), (368, 5955), (397, 5520), (460, 4764), (552, 3970), (690, 3176), (794, 2760), (920, 2382), (1104, 1985), (1191, 1840), (1380, 1588)]