164890740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20663}}^1$

素因数の和:20701

約数の個数: 96

約数和(自身を含む): 555448320

約数和(自身を除く): 390557580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 20663, 41326, 61989, 82652, 103315, 123978, 144641, 206630, 247956, 289282, 309945, 392597, 413260, 433923, 578564, 619890, 723205, 785194, 867846, 1177791, 1239780, 1446410, 1570388, 1735692, 1962985, 2169615, 2355582, 2748179, 2892820, 3925970, 4339230, 4711164, 5496358, 5888955, 7851940, 8244537, 8678460, 10992716, 11777910, 13740895, 16489074, 23555820, 27481790, 32978148, 41222685, 54963580, 82445370, 164890740]

約数ペア:

[(1, 164890740), (2, 82445370), (3, 54963580), (4, 41222685), (5, 32978148), (6, 27481790), (7, 23555820), (10, 16489074), (12, 13740895), (14, 11777910), (15, 10992716), (19, 8678460), (20, 8244537), (21, 7851940), (28, 5888955), (30, 5496358), (35, 4711164), (38, 4339230), (42, 3925970), (57, 2892820), (60, 2748179), (70, 2355582), (76, 2169615), (84, 1962985), (95, 1735692), (105, 1570388), (114, 1446410), (133, 1239780), (140, 1177791), (190, 867846), (210, 785194), (228, 723205), (266, 619890), (285, 578564), (380, 433923), (399, 413260), (420, 392597), (532, 309945), (570, 289282), (665, 247956), (798, 206630), (1140, 144641), (1330, 123978), (1596, 103315), (1995, 82652), (2660, 61989), (3990, 41326), (7980, 20663)]