64403820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1619}}^1$

素因数の和:1664

約数の個数: 144

約数和(自身を含む): 222899040

約数和(自身を除く): 158495220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1619, 1989, 2210, 2340, 2652, 3060, 3238, 3315, 3978, 4420, 4857, 6476, 6630, 7956, 8095, 9714, 9945, 13260, 14571, 16190, 19428, 19890, 21047, 24285, 27523, 29142, 32380, 39780, 42094, 48570, 55046, 58284, 63141, 72855, 82569, 84188, 97140, 105235, 110092, 126282, 137615, 145710, 165138, 189423, 210470, 247707, 252564, 275230, 291420, 315705, 330276, 357799, 378846, 412845, 420940, 495414, 550460, 631410, 715598, 757692, 825690, 947115, 990828, 1073397, 1238535, 1262820, 1431196, 1651380, 1788995, 1894230, 2146794, 2477070, 3220191, 3577990, 3788460, 4293588, 4954140, 5366985, 6440382, 7155980, 10733970, 12880764, 16100955, 21467940, 32201910, 64403820]

約数ペア:

[(1, 64403820), (2, 32201910), (3, 21467940), (4, 16100955), (5, 12880764), (6, 10733970), (9, 7155980), (10, 6440382), (12, 5366985), (13, 4954140), (15, 4293588), (17, 3788460), (18, 3577990), (20, 3220191), (26, 2477070), (30, 2146794), (34, 1894230), (36, 1788995), (39, 1651380), (45, 1431196), (51, 1262820), (52, 1238535), (60, 1073397), (65, 990828), (68, 947115), (78, 825690), (85, 757692), (90, 715598), (102, 631410), (117, 550460), (130, 495414), (153, 420940), (156, 412845), (170, 378846), (180, 357799), (195, 330276), (204, 315705), (221, 291420), (234, 275230), (255, 252564), (260, 247707), (306, 210470), (340, 189423), (390, 165138), (442, 145710), (468, 137615), (510, 126282), (585, 110092), (612, 105235), (663, 97140), (765, 84188), (780, 82569), (884, 72855), (1020, 63141), (1105, 58284), (1170, 55046), (1326, 48570), (1530, 42094), (1619, 39780), (1989, 32380), (2210, 29142), (2340, 27523), (2652, 24285), (3060, 21047), (3238, 19890), (3315, 19428), (3978, 16190), (4420, 14571), (4857, 13260), (6476, 9945), (6630, 9714), (7956, 8095)]