917609940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20639}}^1$

素因数の和:20686

約数の個数: 144

約数和(自身を含む): 3155443200

約数和(自身を除く): 2237833260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 20639, 22230, 41278, 44460, 61917, 82556, 103195, 123834, 185751, 206390, 247668, 268307, 309585, 371502, 392141, 412780, 536614, 619170, 743004, 784282, 804921, 928755, 1073228, 1176423, 1238340, 1341535, 1568564, 1609842, 1857510, 1960705, 2352846, 2414763, 2683070, 3219684, 3529269, 3715020, 3921410, 4024605, 4705692, 4829526, 5097833, 5366140, 5882115, 7058538, 7842820, 8049210, 9659052, 10195666, 11764230, 12073815, 14117076, 15293499, 16098420, 17646345, 20391332, 23528460, 24147630, 25489165, 30586998, 35292690, 45880497, 48295260, 50978330, 61173996, 70585380, 76467495, 91760994, 101956660, 152934990, 183521988, 229402485, 305869980, 458804970, 917609940]

約数ペア:

[(1, 917609940), (2, 458804970), (3, 305869980), (4, 229402485), (5, 183521988), (6, 152934990), (9, 101956660), (10, 91760994), (12, 76467495), (13, 70585380), (15, 61173996), (18, 50978330), (19, 48295260), (20, 45880497), (26, 35292690), (30, 30586998), (36, 25489165), (38, 24147630), (39, 23528460), (45, 20391332), (52, 17646345), (57, 16098420), (60, 15293499), (65, 14117076), (76, 12073815), (78, 11764230), (90, 10195666), (95, 9659052), (114, 8049210), (117, 7842820), (130, 7058538), (156, 5882115), (171, 5366140), (180, 5097833), (190, 4829526), (195, 4705692), (228, 4024605), (234, 3921410), (247, 3715020), (260, 3529269), (285, 3219684), (342, 2683070), (380, 2414763), (390, 2352846), (468, 1960705), (494, 1857510), (570, 1609842), (585, 1568564), (684, 1341535), (741, 1238340), (780, 1176423), (855, 1073228), (988, 928755), (1140, 804921), (1170, 784282), (1235, 743004), (1482, 619170), (1710, 536614), (2223, 412780), (2340, 392141), (2470, 371502), (2964, 309585), (3420, 268307), (3705, 247668), (4446, 206390), (4940, 185751), (7410, 123834), (8892, 103195), (11115, 82556), (14820, 61917), (20639, 44460), (22230, 41278)]