30075720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 99843840

約数和(自身を除く): 69768120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 641, 680, 690, 782, 920, 1020, 1173, 1282, 1380, 1564, 1923, 1955, 2040, 2346, 2564, 2760, 3128, 3205, 3846, 3910, 4692, 5128, 5865, 6410, 7692, 7820, 9384, 9615, 10897, 11730, 12820, 14743, 15384, 15640, 19230, 21794, 23460, 25640, 29486, 32691, 38460, 43588, 44229, 46920, 54485, 58972, 65382, 73715, 76920, 87176, 88458, 108970, 117944, 130764, 147430, 163455, 176916, 217940, 221145, 250631, 261528, 294860, 326910, 353832, 435880, 442290, 501262, 589720, 653820, 751893, 884580, 1002524, 1253155, 1307640, 1503786, 1769160, 2005048, 2506310, 3007572, 3759465, 5012620, 6015144, 7518930, 10025240, 15037860, 30075720]

約数ペア:

[(1, 30075720), (2, 15037860), (3, 10025240), (4, 7518930), (5, 6015144), (6, 5012620), (8, 3759465), (10, 3007572), (12, 2506310), (15, 2005048), (17, 1769160), (20, 1503786), (23, 1307640), (24, 1253155), (30, 1002524), (34, 884580), (40, 751893), (46, 653820), (51, 589720), (60, 501262), (68, 442290), (69, 435880), (85, 353832), (92, 326910), (102, 294860), (115, 261528), (120, 250631), (136, 221145), (138, 217940), (170, 176916), (184, 163455), (204, 147430), (230, 130764), (255, 117944), (276, 108970), (340, 88458), (345, 87176), (391, 76920), (408, 73715), (460, 65382), (510, 58972), (552, 54485), (641, 46920), (680, 44229), (690, 43588), (782, 38460), (920, 32691), (1020, 29486), (1173, 25640), (1282, 23460), (1380, 21794), (1564, 19230), (1923, 15640), (1955, 15384), (2040, 14743), (2346, 12820), (2564, 11730), (2760, 10897), (3128, 9615), (3205, 9384), (3846, 7820), (3910, 7692), (4692, 6410), (5128, 5865)]