28583880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 93985920

約数和(自身を除く): 65402040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 251, 260, 292, 312, 365, 390, 438, 502, 520, 584, 730, 753, 780, 876, 949, 1004, 1095, 1255, 1460, 1506, 1560, 1752, 1898, 2008, 2190, 2510, 2847, 2920, 3012, 3263, 3765, 3796, 4380, 4745, 5020, 5694, 6024, 6526, 7530, 7592, 8760, 9490, 9789, 10040, 11388, 13052, 14235, 15060, 16315, 18323, 18980, 19578, 22776, 26104, 28470, 30120, 32630, 36646, 37960, 39156, 48945, 54969, 56940, 65260, 73292, 78312, 91615, 97890, 109938, 113880, 130520, 146584, 183230, 195780, 219876, 238199, 274845, 366460, 391560, 439752, 476398, 549690, 714597, 732920, 952796, 1099380, 1190995, 1429194, 1905592, 2198760, 2381990, 2858388, 3572985, 4763980, 5716776, 7145970, 9527960, 14291940, 28583880]

約数ペア:

[(1, 28583880), (2, 14291940), (3, 9527960), (4, 7145970), (5, 5716776), (6, 4763980), (8, 3572985), (10, 2858388), (12, 2381990), (13, 2198760), (15, 1905592), (20, 1429194), (24, 1190995), (26, 1099380), (30, 952796), (39, 732920), (40, 714597), (52, 549690), (60, 476398), (65, 439752), (73, 391560), (78, 366460), (104, 274845), (120, 238199), (130, 219876), (146, 195780), (156, 183230), (195, 146584), (219, 130520), (251, 113880), (260, 109938), (292, 97890), (312, 91615), (365, 78312), (390, 73292), (438, 65260), (502, 56940), (520, 54969), (584, 48945), (730, 39156), (753, 37960), (780, 36646), (876, 32630), (949, 30120), (1004, 28470), (1095, 26104), (1255, 22776), (1460, 19578), (1506, 18980), (1560, 18323), (1752, 16315), (1898, 15060), (2008, 14235), (2190, 13052), (2510, 11388), (2847, 10040), (2920, 9789), (3012, 9490), (3263, 8760), (3765, 7592), (3796, 7530), (4380, 6526), (4745, 6024), (5020, 5694)]