243153820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 649313280

約数和(自身を除く): 406159460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 169, 172, 182, 215, 239, 260, 301, 338, 364, 430, 455, 478, 559, 602, 676, 845, 860, 910, 956, 1118, 1183, 1195, 1204, 1505, 1673, 1690, 1820, 2236, 2366, 2390, 2795, 3010, 3107, 3346, 3380, 3913, 4732, 4780, 5590, 5915, 6020, 6214, 6692, 7267, 7826, 8365, 10277, 11180, 11830, 12428, 14534, 15535, 15652, 16730, 19565, 20554, 21749, 23660, 29068, 31070, 33460, 36335, 39130, 40391, 41108, 43498, 50869, 51385, 62140, 71939, 72670, 78260, 80782, 86996, 101738, 102770, 108745, 133601, 143878, 145340, 161564, 201955, 203476, 205540, 217490, 254345, 267202, 282737, 287756, 359695, 403910, 434980, 508690, 534404, 565474, 668005, 719390, 807820, 935207, 1017380, 1130948, 1336010, 1413685, 1438780, 1736813, 1870414, 2672020, 2827370, 3473626, 3740828, 4676035, 5654740, 6947252, 8684065, 9352070, 12157691, 17368130, 18704140, 24315382, 34736260, 48630764, 60788455, 121576910, 243153820]

約数ペア:

[(1, 243153820), (2, 121576910), (4, 60788455), (5, 48630764), (7, 34736260), (10, 24315382), (13, 18704140), (14, 17368130), (20, 12157691), (26, 9352070), (28, 8684065), (35, 6947252), (43, 5654740), (52, 4676035), (65, 3740828), (70, 3473626), (86, 2827370), (91, 2672020), (130, 1870414), (140, 1736813), (169, 1438780), (172, 1413685), (182, 1336010), (215, 1130948), (239, 1017380), (260, 935207), (301, 807820), (338, 719390), (364, 668005), (430, 565474), (455, 534404), (478, 508690), (559, 434980), (602, 403910), (676, 359695), (845, 287756), (860, 282737), (910, 267202), (956, 254345), (1118, 217490), (1183, 205540), (1195, 203476), (1204, 201955), (1505, 161564), (1673, 145340), (1690, 143878), (1820, 133601), (2236, 108745), (2366, 102770), (2390, 101738), (2795, 86996), (3010, 80782), (3107, 78260), (3346, 72670), (3380, 71939), (3913, 62140), (4732, 51385), (4780, 50869), (5590, 43498), (5915, 41108), (6020, 40391), (6214, 39130), (6692, 36335), (7267, 33460), (7826, 31070), (8365, 29068), (10277, 23660), (11180, 21749), (11830, 20554), (12428, 19565), (14534, 16730), (15535, 15652)]