72821490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18251}}^1$

素因数の和:18287

約数の個数: 64

約数和(自身を含む): 210263040

約数和(自身を除く): 137441550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 18251, 36502, 54753, 91255, 109506, 127757, 182510, 255514, 273765, 346769, 383271, 547530, 638785, 693538, 766542, 1040307, 1277570, 1733845, 1916355, 2080614, 2427383, 3467690, 3832710, 4854766, 5201535, 7282149, 10403070, 12136915, 14564298, 24273830, 36410745, 72821490]

約数ペア:

[(1, 72821490), (2, 36410745), (3, 24273830), (5, 14564298), (6, 12136915), (7, 10403070), (10, 7282149), (14, 5201535), (15, 4854766), (19, 3832710), (21, 3467690), (30, 2427383), (35, 2080614), (38, 1916355), (42, 1733845), (57, 1277570), (70, 1040307), (95, 766542), (105, 693538), (114, 638785), (133, 547530), (190, 383271), (210, 346769), (266, 273765), (285, 255514), (399, 182510), (570, 127757), (665, 109506), (798, 91255), (1330, 54753), (1995, 36502), (3990, 18251)]