15987930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4007}}^1$

素因数の和:4043

約数の個数: 64

約数和(自身を含む): 46172160

約数和(自身を除く): 30184230

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, 4007, 8014, 12021, 20035, 24042, 28049, 40070, 56098, 60105, 76133, 84147, 120210, 140245, 152266, 168294, 228399, 280490, 380665, 420735, 456798, 532931, 761330, 841470, 1065862, 1141995, 1598793, 2283990, 2664655, 3197586, 5329310, 7993965, 15987930]

約数ペア:

[(1, 15987930), (2, 7993965), (3, 5329310), (5, 3197586), (6, 2664655), (7, 2283990), (10, 1598793), (14, 1141995), (15, 1065862), (19, 841470), (21, 761330), (30, 532931), (35, 456798), (38, 420735), (42, 380665), (57, 280490), (70, 228399), (95, 168294), (105, 152266), (114, 140245), (133, 120210), (190, 84147), (210, 76133), (266, 60105), (285, 56098), (399, 40070), (570, 28049), (665, 24042), (798, 20035), (1330, 12021), (1995, 8014), (3990, 4007)]