129971970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 379304640

約数和(自身を除く): 249332670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 153, 170, 171, 190, 255, 263, 285, 289, 306, 323, 342, 510, 526, 570, 578, 646, 765, 789, 855, 867, 969, 1315, 1445, 1530, 1578, 1615, 1710, 1734, 1938, 2367, 2601, 2630, 2890, 2907, 3230, 3945, 4335, 4471, 4734, 4845, 4997, 5202, 5491, 5814, 7890, 8670, 8942, 9690, 9994, 10982, 11835, 13005, 13413, 14535, 14991, 16473, 22355, 23670, 24985, 26010, 26826, 27455, 29070, 29982, 32946, 40239, 44710, 44973, 49419, 49970, 54910, 67065, 74955, 76007, 80478, 82365, 84949, 89946, 98838, 134130, 149910, 152014, 164730, 169898, 201195, 224865, 228021, 247095, 254847, 380035, 402390, 424745, 449730, 456042, 494190, 509694, 684063, 760070, 764541, 849490, 1140105, 1274235, 1368126, 1444133, 1529082, 2280210, 2548470, 2888266, 3420315, 3822705, 4332399, 6840630, 7220665, 7645410, 8664798, 12997197, 14441330, 21661995, 25994394, 43323990, 64985985, 129971970]

約数ペア:

[(1, 129971970), (2, 64985985), (3, 43323990), (5, 25994394), (6, 21661995), (9, 14441330), (10, 12997197), (15, 8664798), (17, 7645410), (18, 7220665), (19, 6840630), (30, 4332399), (34, 3822705), (38, 3420315), (45, 2888266), (51, 2548470), (57, 2280210), (85, 1529082), (90, 1444133), (95, 1368126), (102, 1274235), (114, 1140105), (153, 849490), (170, 764541), (171, 760070), (190, 684063), (255, 509694), (263, 494190), (285, 456042), (289, 449730), (306, 424745), (323, 402390), (342, 380035), (510, 254847), (526, 247095), (570, 228021), (578, 224865), (646, 201195), (765, 169898), (789, 164730), (855, 152014), (867, 149910), (969, 134130), (1315, 98838), (1445, 89946), (1530, 84949), (1578, 82365), (1615, 80478), (1710, 76007), (1734, 74955), (1938, 67065), (2367, 54910), (2601, 49970), (2630, 49419), (2890, 44973), (2907, 44710), (3230, 40239), (3945, 32946), (4335, 29982), (4471, 29070), (4734, 27455), (4845, 26826), (4997, 26010), (5202, 24985), (5491, 23670), (5814, 22355), (7890, 16473), (8670, 14991), (8942, 14535), (9690, 13413), (9994, 13005), (10982, 11835)]