163855020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{55733}}^1$

素因数の和:55759

約数の個数: 72

約数和(自身を含む): 533708784

約数和(自身を除く): 369853764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 55733, 111466, 167199, 222932, 278665, 334398, 390131, 557330, 668796, 780262, 835995, 1114660, 1170393, 1560524, 1671990, 1950655, 2340786, 2730917, 3343980, 3901310, 4681572, 5461834, 5851965, 7802620, 8192751, 10923668, 11703930, 13654585, 16385502, 23407860, 27309170, 32771004, 40963755, 54618340, 81927510, 163855020]

約数ペア:

[(1, 163855020), (2, 81927510), (3, 54618340), (4, 40963755), (5, 32771004), (6, 27309170), (7, 23407860), (10, 16385502), (12, 13654585), (14, 11703930), (15, 10923668), (20, 8192751), (21, 7802620), (28, 5851965), (30, 5461834), (35, 4681572), (42, 3901310), (49, 3343980), (60, 2730917), (70, 2340786), (84, 1950655), (98, 1671990), (105, 1560524), (140, 1170393), (147, 1114660), (196, 835995), (210, 780262), (245, 668796), (294, 557330), (420, 390131), (490, 334398), (588, 278665), (735, 222932), (980, 167199), (1470, 111466), (2940, 55733)]