642787080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1311

約数の個数: 128

約数和(自身を含む): 2083173120

約数和(自身を除く): 1440386040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 631, 653, 780, 1262, 1306, 1560, 1893, 1959, 2524, 2612, 3155, 3265, 3786, 3918, 5048, 5224, 6310, 6530, 7572, 7836, 8203, 8489, 9465, 9795, 12620, 13060, 15144, 15672, 16406, 16978, 18930, 19590, 24609, 25240, 25467, 26120, 32812, 33956, 37860, 39180, 41015, 42445, 49218, 50934, 65624, 67912, 75720, 78360, 82030, 84890, 98436, 101868, 123045, 127335, 164060, 169780, 196872, 203736, 246090, 254670, 328120, 339560, 412043, 492180, 509340, 824086, 984360, 1018680, 1236129, 1648172, 2060215, 2472258, 3296344, 4120430, 4944516, 5356559, 6180645, 8240860, 9889032, 10713118, 12361290, 16069677, 16481720, 21426236, 24722580, 26782795, 32139354, 42852472, 49445160, 53565590, 64278708, 80348385, 107131180, 128557416, 160696770, 214262360, 321393540, 642787080]

約数ペア:

[(1, 642787080), (2, 321393540), (3, 214262360), (4, 160696770), (5, 128557416), (6, 107131180), (8, 80348385), (10, 64278708), (12, 53565590), (13, 49445160), (15, 42852472), (20, 32139354), (24, 26782795), (26, 24722580), (30, 21426236), (39, 16481720), (40, 16069677), (52, 12361290), (60, 10713118), (65, 9889032), (78, 8240860), (104, 6180645), (120, 5356559), (130, 4944516), (156, 4120430), (195, 3296344), (260, 2472258), (312, 2060215), (390, 1648172), (520, 1236129), (631, 1018680), (653, 984360), (780, 824086), (1262, 509340), (1306, 492180), (1560, 412043), (1893, 339560), (1959, 328120), (2524, 254670), (2612, 246090), (3155, 203736), (3265, 196872), (3786, 169780), (3918, 164060), (5048, 127335), (5224, 123045), (6310, 101868), (6530, 98436), (7572, 84890), (7836, 82030), (8203, 78360), (8489, 75720), (9465, 67912), (9795, 65624), (12620, 50934), (13060, 49218), (15144, 42445), (15672, 41015), (16406, 39180), (16978, 37860), (18930, 33956), (19590, 32812), (24609, 26120), (25240, 25467)]