30749940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1$

素因数の和:818

約数の個数: 144

約数和(自身を含む): 106496208

約数和(自身を除く): 75746268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 773, 780, 884, 1020, 1105, 1170, 1326, 1530, 1546, 1989, 2210, 2319, 2340, 2652, 3060, 3092, 3315, 3865, 3978, 4420, 4638, 6630, 6957, 7730, 7956, 9276, 9945, 10049, 11595, 13141, 13260, 13914, 15460, 19890, 20098, 23190, 26282, 27828, 30147, 34785, 39423, 39780, 40196, 46380, 50245, 52564, 60294, 65705, 69570, 78846, 90441, 100490, 118269, 120588, 131410, 139140, 150735, 157692, 170833, 180882, 197115, 200980, 236538, 262820, 301470, 341666, 361764, 394230, 452205, 473076, 512499, 591345, 602940, 683332, 788460, 854165, 904410, 1024998, 1182690, 1537497, 1708330, 1808820, 2049996, 2365380, 2562495, 3074994, 3416660, 5124990, 6149988, 7687485, 10249980, 15374970, 30749940]

約数ペア:

[(1, 30749940), (2, 15374970), (3, 10249980), (4, 7687485), (5, 6149988), (6, 5124990), (9, 3416660), (10, 3074994), (12, 2562495), (13, 2365380), (15, 2049996), (17, 1808820), (18, 1708330), (20, 1537497), (26, 1182690), (30, 1024998), (34, 904410), (36, 854165), (39, 788460), (45, 683332), (51, 602940), (52, 591345), (60, 512499), (65, 473076), (68, 452205), (78, 394230), (85, 361764), (90, 341666), (102, 301470), (117, 262820), (130, 236538), (153, 200980), (156, 197115), (170, 180882), (180, 170833), (195, 157692), (204, 150735), (221, 139140), (234, 131410), (255, 120588), (260, 118269), (306, 100490), (340, 90441), (390, 78846), (442, 69570), (468, 65705), (510, 60294), (585, 52564), (612, 50245), (663, 46380), (765, 40196), (773, 39780), (780, 39423), (884, 34785), (1020, 30147), (1105, 27828), (1170, 26282), (1326, 23190), (1530, 20098), (1546, 19890), (1989, 15460), (2210, 13914), (2319, 13260), (2340, 13141), (2652, 11595), (3060, 10049), (3092, 9945), (3315, 9276), (3865, 7956), (3978, 7730), (4420, 6957), (4638, 6630)]